svg {
    font: 10px sans-serif;
}

button {
    color: #1618e8;
    font-weight: bold;
    font-size: 120%;
}

.background path {
    fill: none;
    stroke: #dcdcdc;
    shape-rendering: crispEdges;
}

.foreground path {
    fill: none;
    stroke: #48df76;
}

.brush .extent {
    fill-opacity: .3;
    stroke: #fff;
    shape-rendering: crispEdges;
}

.axis line,
.axis path {
    fill: none;
    stroke: #000;
    shape-rendering: crispEdges;
}

.axis text {
    text-shadow: 0 1px 0 #fff, 1px 0 0 #fff, 0 -1px 0 #fff, -1px 0 0 #fff;
    cursor: move;
}